CN218408561U - Butterfly valve with helping hand function - Google Patents

Abstract

The utility model discloses a butterfly valve with power-assisted function, which comprises a valve body, wherein a valve plate is arranged inside the valve body, a sealing seat is arranged at the top of the valve body, the end part of the valve plate is in transmission connection with a rotating handle, one side of the sealing seat is provided with a power-assisted mechanism, the power-assisted mechanism comprises a driven bevel gear and a power-assisted rotating seat, a square hole is formed inside the power-assisted rotating seat, a slide bar is slidably connected inside the square hole, the bottom end of the slide bar is fixedly connected with a driving bevel gear, and one side of the top of the power-assisted rotating seat is in threaded connection with a fixing bolt; the utility model discloses a set up assist drive device, promote the slide bar with initiative bevel gear and driven bevel gear meshing, pull out flexible helping hand pole again, then insert flexible helping hand pole on the helping hand rotates the seat, rotate flexible helping hand pole and carry out the helping hand, according to lever principle, the long arm of force of flexible helping hand pole can reduce required power when rotating, plays fine helping hand effect, improves the convenience of operation.

Description

Butterfly valve with helping hand function

Technical Field

The utility model relates to a butterfly valve technical field specifically is a butterfly valve with helping hand function.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

In prior art, application number CN202121835192.X discloses a novel butt clamp formula pneumatic printing and dyeing butterfly valve, including butterfly valve body and connecting pipe, this internal seal assembly that is equipped with of butterfly valve, the butterfly valve body is equipped with quick grafting subassembly with the fixed quick grafting subassembly that is equipped with in connecting pipe one side, quick grafting subassembly includes connecting plate, sleeve, slot, lagging, spring and inserted block, connecting plate fixed connection is in one side of connecting pipe, this utility model when installing the connecting pipe on the butterfly valve body, the accessible is inserted the sleeve of connecting pipe one side fixed connection and is established in the lagging, mutually supports through spring and inserted block to make the inserted block insert and establish in the slot internal fixation, finally make connecting pipe and butterfly valve body link together, this utility model for preventing to appear the gap between connecting pipe and the butterfly valve body, the accessible rotates the board and opens the guard box inadequately, takes out the air inlet head from the buckle, makes the gasbag inflation in toward the gasbag through the inflator, fills full of first fixed slot and second fixed slot, makes its sealed effect better, but when idle for long-time, the friction increase between the rotatory handle of this butterfly valve and the valve inner wall of valve for the required power is great when rotating, thereby makes the operation convenience ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly valve with helping hand function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a butterfly valve with a power assisting function comprises a valve body, wherein a valve plate is arranged inside the valve body, a sealing seat is arranged at the top of the valve body, a rotating handle is connected to the end of the valve plate in a transmission manner, and a power assisting mechanism is arranged on one side of the sealing seat;

the power assisting mechanism comprises a driven bevel gear and a power assisting rotating seat, a square hole is formed in the power assisting rotating seat, a sliding rod is connected inside the square hole in a sliding mode, a driving bevel gear is fixedly connected to the bottom end of the sliding rod, a fixing bolt is connected to one side of the top of the power assisting rotating seat in a threaded mode, a power assisting insertion hole is formed in one side surface of the power assisting rotating seat, a telescopic power assisting rod is inserted inside the power assisting insertion hole, a movable clamping head is arranged on the telescopic power assisting rod, a first reset spring is arranged between the movable clamping head and the inner wall of the telescopic power assisting rod, and a limiting block is fixedly connected to the side surface of the movable clamping head.

As a further preferred option of the technical solution, the driven bevel gear is fixedly connected with the rotating handle, the power-assisted rotating seat is rotatably connected with the sealing seat, and the driven bevel gear is matched with the driving bevel gear.

As a further preferred aspect of this technical scheme, the slide bar surface is equipped with two fixed jacks, fixed jack and fixing bolt phase-match, just fixing bolt runs through helping hand and rotates the seat and extend to the quad slit inside.

As a further preferred aspect of the present technical solution, the telescopic power-assisted rod is a multi-section telescopic rod, and the number of the movable chucks is plural, and the plural movable chucks are respectively provided on the movable sections of the telescopic power-assisted rod.

As a further preferred of this technical scheme, the valve body both ends all are equipped with flange, two flange all is equipped with the sealing washer on.

As a further preferred of this technical scheme, sealing receptacle one side fixedly connected with telescopic link receiver, telescopic link receiver tip is equipped with sealed lid.

As a further preferred of this technical scheme, the sealed lid top has been seted up the direction spout, the inside sliding connection of direction spout has the locking pothook, be equipped with second reset spring between locking pothook and the direction spout inner wall, the inside fixedly connected with joint block post of telescopic link receiver.

The utility model provides a butterfly valve with helping hand function possesses following beneficial effect:

(1) The utility model discloses a set up assist drive device, promote the slide bar with initiative bevel gear and driven bevel gear meshing, pull out flexible helping hand pole again, then insert flexible helping hand pole on the helping hand rotates the seat, rotate flexible helping hand pole and carry out the helping hand, according to lever principle, the long arm of force of flexible helping hand pole can reduce required power when rotating, plays fine helping hand effect, improves the convenience of operation.

(2) The utility model discloses a set up the telescopic link receiver, the telescopic link receiver is accomodate flexible helping hand pole to can utilize second reset spring cooperation locking pothook to catch on the connector link post, be connected sealed lid and telescopic link receiver, conveniently accomodate flexible helping hand pole, prevent to lose.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the boosting mechanism and the rotary handle of the present invention;

FIG. 3 is a schematic view of the movable clip structure of the present invention;

fig. 4 is an enlarged view of the structure at a in fig. 1 according to the present invention;

in the figure: 1. a valve body; 2. a valve plate; 3. rotating the handle; 4. a sealing seat; 5. a power-assisted mechanism; 6. a power-assisted rotating seat; 7. a driven bevel gear; 8. a slide bar; 9. a drive bevel gear; 10. a square hole; 11. fixing the bolt; 12. a power-assisted jack; 13. a telescopic booster rod; 14. a movable chuck; 15. a first return spring; 16. a limiting block; 17. the telescopic rod storage box; 18. a sealing cover; 19. a guide chute; 20. a locking hook; 21. a second return spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The utility model provides a technical scheme: as shown in fig. 1, in this embodiment, a butterfly valve with helping hand function, including valve body 1, 1 both ends of valve body all are equipped with flange, two all be equipped with the sealing washer on the flange, 1 inside valve plate 2 that is equipped with of valve body, 1 top of valve body is equipped with seal receptacle 4, 2 end transmission of valve plate are connected with rotatory handle 3, 4 one sides of seal receptacle are equipped with assist drive device 5, and the arm of force is executed in 5 extensions of accessible assist drive device, reduce and rotate required power, rotate rotatory handle 3 according to lever principle, improve the convenience of operation.

As shown in fig. 2 and 3, the power assisting mechanism 5 includes a driven bevel gear 7 and a power assisting rotation seat 6, the driven bevel gear 7 is fixedly connected with the rotation handle 3 so as to drive the rotation handle 3 to rotate by driving the driven bevel gear 7, the power assisting rotation seat 6 is rotatably connected with the seal seat 4, the driven bevel gear 7 is matched with the drive bevel gear 9 so that the drive bevel gear 9 can drive the driven bevel gear 7 to rotate, a square hole 10 is formed inside the power assisting rotation seat 6, a slide bar 8 is slidably connected inside the square hole 10, a drive bevel gear 9 is fixedly connected at the bottom end of the slide bar 8, a fixing bolt 11 is threadedly connected to one side of the top of the power assisting rotation seat 6, two fixing insertion holes are formed on the surface of the slide bar 8, the fixing insertion holes are matched with the fixing bolt 11, and the fixing bolt 11 penetrates through the power assisting rotation seat 6 and extends into the square hole 10, the telescopic power-assisted device can be separated from the rotary handle 3 when not in use, so that adverse effects on the normal use of the rotary handle 3 are prevented, a power-assisted jack 12 is formed in one side surface of the power-assisted rotary seat 6, a telescopic power-assisted rod 13 is inserted into the power-assisted jack 12, a movable clamping head 14 is arranged on the telescopic power-assisted rod 13, the telescopic power-assisted rod 13 is a multi-section telescopic rod, the force application can be prolonged according to the self strength of a user, so that the use flexibility can be improved, the number of the movable clamping heads 14 is multiple, the movable clamping heads 14 are respectively arranged on movable sections of the telescopic power-assisted rod 13, a first reset spring 15 is arranged between the movable clamping heads 14 and the inner wall of the telescopic power-assisted rod 13, the telescopic power-assisted rod 13 is fixed by the first reset spring 15 and the movable clamping heads 14, and a limiting block 16 is fixedly connected to the side surface of the movable clamping heads 14, the accessible promotes slide bar 8, with drive bevel gear 9 and driven bevel gear 7 meshing, then tighten fixing bolt 11 and fix slide bar 8, pull out flexible helping hand pole 13 again, first reset spring 15 and activity dop 14 are fixed flexible helping hand pole 13, then insert flexible helping hand pole 13 on helping hand rotates seat 6, rotate flexible helping hand pole 13, flexible helping hand pole 13 rotates and drives helping hand and rotate seat 6 and rotate, helping hand rotates seat 6 and rotates and drive bevel gear 9 and rotate, drive bevel gear 9 rotates and drives driven bevel gear 7 and rotate, driven bevel gear 7 rotates and drives rotatory handle 3 and rotate, according to lever principle, the long arm of force of flexible helping hand pole 13 can reduce required power when rotating, play fine helping hand effect, improve the convenience of operation.

As shown in fig. 1 and 4, 4 one side fixedly connected with telescopic link receiver 17 of seal receptacle, 17 tip of telescopic link receiver is equipped with sealed lid 18, direction spout 19 has been seted up at sealed lid 18 top, the inside sliding connection of direction spout 19 has locking pothook 20, be equipped with second reset spring 21 between locking pothook 20 and the 19 inner walls of direction spout, the inside fixedly connected with joint block post of telescopic link receiver 17, accessible telescopic link receiver 17 accomodates flexible helping hand pole 13 to can utilize second reset spring 21 cooperation locking pothook 20 to catch on the joint block post, be connected sealed lid 18 and telescopic link receiver 17, conveniently accomodate flexible helping hand pole 13, prevent to lose.

The utility model provides a butterfly valve with helping hand function, concrete theory of operation as follows:

in-service use the utility model discloses the time, promote slide bar 8, with the meshing of drive bevel gear 9 and driven bevel gear 7, then tighten fixing bolt 11 and fix slide bar 8, again with flexible helping hand pole 13 pull out, first reset spring 15 and movable dop 14 are fixed flexible helping hand pole 13, then insert flexible helping hand pole 13 on helping hand rotates seat 6, rotate flexible helping hand pole 13, flexible helping hand pole 13 rotates and drives helping hand and rotate seat 6 and rotate, helping hand rotates seat 6 and rotates and drive bevel gear 9 and rotate, drive bevel gear 9 rotates and drives driven bevel gear 7 and rotate, driven bevel gear 7 rotates and drives rotatory handle 3 and rotate, according to lever principle, the long arm of force of flexible helping hand pole 13 can reduce required power when rotating, play fine helping hand effect, improve the convenience of operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a butterfly valve with helping hand function, includes valve body (1), its characterized in that: a valve plate (2) is arranged in the valve body (1), a sealing seat (4) is arranged at the top of the valve body (1), a rotary handle (3) is connected to the end of the valve plate (2) in a transmission manner, and a boosting mechanism (5) is arranged on one side of the sealing seat (4);

power assisting mechanism (5) rotate seat (6) including driven bevel gear (7) and helping hand, the inside quad slit (10) of having seted up of helping hand rotation seat (6), quad slit (10) inside sliding connection has slide bar (8), slide bar (8) bottom fixedly connected with drive bevel gear (9), helping hand rotation seat (6) top one side threaded connection has fixing bolt (11), helping hand jack (12) have been seted up to helping hand rotation seat (6) a side surface, helping hand jack (12) inside grafting has flexible helping hand pole (13), be equipped with movable dop (14) on flexible helping hand pole (13), be equipped with first reset spring (15) between movable dop (14) and flexible helping hand pole (13) inner wall, activity dop (14) side surface fixedly connected with stopper (16).

2. The butterfly valve with the boosting function according to claim 1, wherein: the power-assisted rotary handle is characterized in that the driven bevel gear (7) is fixedly connected with the rotary handle (3), the power-assisted rotary seat (6) is rotatably connected with the sealing seat (4), and the driven bevel gear (7) is matched with the driving bevel gear (9).

3. The butterfly valve with the boosting function according to claim 1, wherein: the surface of the sliding rod (8) is provided with two fixing insertion holes, the fixing insertion holes are matched with the fixing bolts (11), and the fixing bolts (11) penetrate through the power-assisted rotating seat (6) and extend into the square holes (10).

4. The butterfly valve with the boosting function according to claim 1, wherein: the telescopic power-assisted rod (13) is provided with a plurality of telescopic rods, the number of the movable clamping heads (14) is multiple, and the movable clamping heads (14) are respectively arranged on the movable sections of the telescopic power-assisted rod (13).

5. The butterfly valve with the boosting function according to claim 1, wherein: and connecting flanges are arranged at two ends of the valve body (1), and sealing rings are arranged on the connecting flanges.

6. The butterfly valve with the boosting function according to claim 1, wherein: sealing seat (4) one side fixedly connected with telescopic link receiver (17), telescopic link receiver (17) tip is equipped with sealed lid (18).

7. The butterfly valve with the boosting function according to claim 6, wherein: guide sliding groove (19) have been seted up at sealed lid (18) top, guide sliding groove (19) inside sliding connection has locking pothook (20), be equipped with second reset spring (21) between locking pothook (20) and guide sliding groove (19) inner wall, the inside fixedly connected with of telescopic link receiver (17) connects the card post.

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